31182009

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 13761351

約数列:

[1, 3, 37, 43, 47, 111, 129, 139, 141, 417, 1591, 1739, 2021, 4773, 5143, 5217, 5977, 6063, 6533, 15429, 17931, 19599, 74777, 221149, 224331, 241721, 280919, 663447, 725163, 842757, 10394003, 31182009]

約数ペア:

[(1, 31182009), (3, 10394003), (37, 842757), (43, 725163), (47, 663447), (111, 280919), (129, 241721), (139, 224331), (141, 221149), (417, 74777), (1591, 19599), (1739, 17931), (2021, 15429), (4773, 6533), (5143, 6063), (5217, 5977)]